MURRYSVILLE, PA (AP) – Flailing away with two kitchen knives, a 16-year-old boy with a “blank expression” stabbed and slashed 21 students and a security guard in the crowded halls of his suburban Pittsburgh high school Wednesday before an assistant principal tackled him.
At least five students were critically wounded, including a boy whose liver was pierced by a knife thrust that narrowly missed his heart and aorta, doctors said. Others also suffered deep abdominal puncture wounds.
The rampage – which came after decades in which U.S. schools geared much of their emergency planning toward mass shootings, not stabbings – set off a screaming stampede, left blood on the floor and walls, and brought teachers rushing to help the victims.
Police shed little light on the motive.
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